== sanity test 123ab: verify statahead work by using statx ========================================================== 01:44:29 (1786945469)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffffa0bcffa0b800.batch_stats=0
mdc.lustre-MDT0001-mdc-ffffa0bcffa0b800.batch_stats=0
striped dir -i1 -c2 -H crush2  /mnt/lustre/d123ab.sanity
total: 100 open/close in 1.25 seconds: 80.29 ops/second
llite.lustre-ffffa0bcffa0b800.statahead_max=0
100

real	0m1.261s
user	0m0.011s
sys	0m0.309s
'statx -l' 100 files without statahead: 2 sec
llite.lustre-ffffa0bcffa0b800.statahead_max=128
llite.lustre-ffffa0bcffa0b800.statahead_max=128
100

real	0m0.433s
user	0m0.008s
sys	0m0.199s
'statx -l' 100 files with statahead: 0 sec
statahead total: 102
statahead wrong: 2
agl total: 99
list_total: 26
fname_total: 76
hit_total: 1525
miss_total: 1688
swrong=2 ewrong=2
total: 900 open/close in 5.92 seconds: 152.11 ops/second
llite.lustre-ffffa0bcffa0b800.statahead_max=0
1000

real	0m12.548s
user	0m0.088s
sys	0m2.916s
'statx -l' 1000 files without statahead: 13 sec
llite.lustre-ffffa0bcffa0b800.statahead_max=128
llite.lustre-ffffa0bcffa0b800.statahead_max=128
1000

real	0m3.114s
user	0m0.042s
sys	0m1.777s
'statx -l' 1000 files with statahead: 3 sec
statahead total: 103
statahead wrong: 2
agl total: 100
list_total: 27
fname_total: 76
hit_total: 2524
miss_total: 1688
swrong=2 ewrong=2
'statx -l' done
unlink + rm -r /mnt/lustre/d123ab.sanity: 9 seconds
llite.lustre-ffffa0bcffa0b800.statahead_stats=
statahead total: 103
statahead wrong: 2
agl total: 100
list_total: 27
fname_total: 76
hit_total: 2524
miss_total: 1688
mdc.lustre-MDT0000-mdc-ffffa0bcffa0b800.batch_stats=
snapshot_time:            1786945512.783665640 secs.nsecs
start_time:               1786945471.501361278 secs.nsecs
elapsed_time:             41.282304362 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        15  41  41
2:		         0   0  41
4:		         1   2  44
8:		         3   8  52
16:		         3   8  61
32:		         2   5  66
64:		        12  33 100
mdc.lustre-MDT0001-mdc-ffffa0bcffa0b800.batch_stats=
snapshot_time:            1786945512.783722625 secs.nsecs
start_time:               1786945471.501463809 secs.nsecs
elapsed_time:             41.282258816 secs.nsecs
subreqs per batch   batches   %% cum %%
1:		        10  33  33
2:		         2   6  40
4:		         3  10  50
8:		         2   6  56
16:		         0   0  56
32:		         7  23  80
64:		         6  20 100
unlink(/mnt/lustre/d123ab.sanity/f123ab.sanity0) error: No such file or directory
total: 0 unlinks in 0 seconds: -nan unlinks/second
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536